code po302 help

1996 ford contour gl check engine lite on code po302 mis-fire cylinder 2 why runns good coil? any ideas thx

You can have a slight miss in the motor, which is just a simple spark plug change. Or if it was running bad, it can be a coil or valve. Just start with replacing your spark plugs and go from there. It is the first and cheapest step. Also check the plug wires and electrical connectors.